CN102187722A - Method for efficient utilization of radio resources in wireless communications system - Google Patents
Method for efficient utilization of radio resources in wireless communications system Download PDFInfo
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- CN102187722A CN102187722A CN2010800007674A CN201080000767A CN102187722A CN 102187722 A CN102187722 A CN 102187722A CN 2010800007674 A CN2010800007674 A CN 2010800007674A CN 201080000767 A CN201080000767 A CN 201080000767A CN 102187722 A CN102187722 A CN 102187722A
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- 238000004891 communication Methods 0.000 title claims abstract description 201
- 238000000034 method Methods 0.000 title claims description 22
- 238000007689 inspection Methods 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 230000002860 competitive effect Effects 0.000 description 5
- 238000013461 design Methods 0.000 description 4
- 238000012546 transfer Methods 0.000 description 3
- 230000000295 complement effect Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/53—Allocation or scheduling criteria for wireless resources based on regulatory allocation policies
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
- H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
- H04B7/2643—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile using time-division multiple access [TDMA]
- H04B7/2656—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile using time-division multiple access [TDMA] for structure of frame, burst
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0002—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/60—Network streaming of media packets
- H04L65/70—Media network packetisation
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Abstract
The invention provides a wireless communications system. In one embodiment, the wireless communications system comprises a coordinating communications device, a source communications device, and a sink communications device. The coordinating communications device transmits a predetermined bits sequence at the beginning of a radio frame at a rate of a first fixed interval. The source communications device receives frames of a streaming session, detects a duration and first starting time of a frame, and wherein forwards information about the duration and the first starting time of one or more of the frames to the coordinating communications device. The coordinating communications device then determines the duration of a second fixed interval and second starting time in accordance with a predetermined rule based on the information received from the source communications device. The coordinating communications device then transmits the predetermined bits sequence at the second starting time of a radio frame at a rate of the second fixed interval, and the source communications device forwards the frames 15 to a sink communications device.
Description
The cross reference of related application
The application advocates to enjoy in the rights and interests of No. the 61/144th, 189, the U.S. Provisional Patent Application submitted on January 13rd, 2009, and the full content of this patent application is incorporated herein by reference.
Technical field
The present invention is relevant for wireless communication system, especially relevant for effective utilization of the radio resource of wireless communication system.
Background technology
Wireless communication system can be divided into competitive mode system (contention-based systems) and cooperative type system (coordination-based systems).In the competitive mode system, can not allocate any channel resource in advance.When a plurality of communication equipments in the competitive mode system were wanted to transmit radio signal, these a plurality of communication equipments were then with mode (collision-based manner) the competitive channel resource of collision and the access time of radio link.For the competitive mode system, wherein there is not the coordinating communication equipment (coordinating communications device) that is used for the management channel resource.Yet the cooperative type system has comprised the coordinating communication equipment of the radio resource that can distribute wireless communication system.All communication equipments in the cooperative type system, the instruction that all must obey coordinating communication equipment is to transmit radio signal.
Radio signal transmits with a sequence of radio frames (a sequence of radio frames).The coordinating communication equipment of communication system is determined the cycle (duration) of radio frame, and all communication equipments in communication system are broadcasted this radio frame cycle.Therefore, all communication equipments in the communication system can transmit data in radio frame.In one embodiment, coordinating communication equipment determines that according to one group of parameter the length in this radio frame cycle, described parameter comprise the quantity of (active) communication equipment in the work in radio channel properties and the communication system.In addition, coordinating communication equipment is broadcasted a succession of beacon (beacon) to whole communication equipments of communication system, to make the radio frame transmitting synchronous in the communication system.Beacon is a default bit pattern, can mark the section start of a radio frame.Coordinating communication equipment can transmit the beacon of each radio frame or the beacon of the radio frame of predetermined number.
Video flowing comprises a sequence of frames of video, and wherein each frame of video comprises a plurality of pixels (pixels).The cycle of frame of video is by the refresh rate decision of the video representing device (video rendering device) that produces frame of video.For example, when the video representing device per second produced 60 frames, the cycle of each frame of video was 1/60 second.After video flowing dialogue (streaming video session) beginning, the video frame period of video flowing dialogue remains unchanged, until the video flowing end-of-dialogue.In the dialogue of video flowing, frame of video with the video flowing form in real time and continuously ceaselessly (non-stop-and-go) flow to video reception apparatus (videosink device) from video source device.The time accuracy that transmits frame of video is extremely important, and this is that the timing error meeting produces different shape of visible moment (glitches) because when video reception apparatus displaying video frame.
When communication system comprised video source device and video reception apparatus, video source device was sent to video reception apparatus with the frame of video of video flowing dialogue in radio frame.The coordinating communication equipment of communication system is to the cycle and the beacon of video source device and video reception apparatus broadcast radio frame.Video source device then transmits the video flowing dialogue in radio frame, wherein, radio frame has radio frame cycle of being determined by coordinating communication equipment and the time started of being determined by beacon.However, the frame of video time started of video flowing dialogue and cycle are to be determined by the video representing device that is connected to video source device.Because communication system and audio/video player system independently operate, nature, the time started of frame of video and cycle are different from the time started and the cycle of radio frame.Not matching of cycle between frame of video and radio frame and time started can cause the design of communication system complexity to rise.
With reference to Fig. 1, what Fig. 1 showed is traditional frame of video wireless radio transmission schematic diagram.Frame of video V
1, V
2... V
xBy a succession of radio frame R
1, R
2..., R
yTransmit.Each frame of video has period T
V, each radio frame has period T
RAt radio frame R
1, R
2, R
3The beacon B of Chuan Songing before
1, B
2With B
3Be used to indicate receiving equipment and synchronous with receiving equipment.Frame of video V
1, V
2And V
3Time started t
S1, t
S2And t
S3The time started t that is different from radio frame
B1, t
B2And t
B3, frame of video V
1, V
2And V
3Period T
VBe different from radio frame R
1, R
2And R
3Period T
ROwing to when radio frame is unavailable, need the buffered video frame, and the design of communication system that transmits frame of video become complicated.In addition, for the flow continuity (flow continuity) that guarantees frame of video, video source device must comprise buffer, with the enough frame of video of buffering before being transferred to video reception apparatus in frame of video.Owing to increased buffer, the cost of video source device increases.Therefore, people tend to a kind of method that can effectively utilize radio resource when transmitting live video stream.
Summary of the invention
The invention provides a kind of wireless communication system.In one embodiment, described wireless communication system comprises coordinating communication equipment, sources traffic equipment and received communication equipment.Described coordinating communication equipment transmits default bit sequence with first fixed intervals in the section start of radio frame.The frame of sources traffic equipment receiving data stream dialogue detects the cycle and first time started of frame, and wherein will be about the message transport of the cycle of one or more described frames and first time started to described coordinating communication equipment.Based on the information that receives from described sources traffic equipment, described coordinating communication equipment is determined the cycle and second time started of second fixed intervals according to preset rules.Described coordinating communication equipment transmits described default bit sequence with described second fixed intervals in second time started of described radio frame, and described sources traffic equipment passes on described frame to received communication equipment.
What the present invention also provided a kind of radio resource effectively utilizes method.In one embodiment, wireless communication system comprises coordinating communication equipment, sources traffic equipment and received communication equipment, the frame of described sources traffic equipment receiving data stream dialogue, and the frame of described data flow dialogue will transfer to received communication equipment.At first, transmit default bit sequence with first fixed intervals in the section start of radio frame by described coordinating communication equipment.Based on the information that receives from described sources traffic equipment, determine that according to preset rules the cycle and second time started of second fixed intervals, described information comprise the cycle and first time started of one or more frames of described data flow dialogue by described coordinating communication equipment.Transmit described default bit sequence with described second fixed intervals in second time started of each frame by described coordinating communication equipment.
What the present invention also provided a kind of radio resource effectively utilizes method.In one embodiment, wireless communication system comprises coordinating communication equipment, sources traffic equipment and received communication equipment, and described coordinating communication equipment transmits default bit sequence with first fixed intervals in the section start of each radio frame.At first, the frame of talking with by described sources traffic equipment receiving data stream.Then, the cycle and first time started by the described frame of described sources traffic Equipment Inspection.By described sources traffic equipment with about cycle of one or more frames of described data flow dialogue and the first time started message transport described coordinating communication equipment extremely.Based on the information that receives from described sources traffic equipment, described coordinating communication equipment is determined the cycle and second time started of second fixed intervals according to preset rules, transmit described default bit sequence with section start in radio frame, and described coordinating communication equipment transmits described default bit sequence with described second fixed intervals in described second time started of radio frame, after this, according to described radio frame, pass on described frame to described received communication equipment by described sources traffic equipment with cycle and second time started of described second fixed intervals.
Provide detailed description with reference to appended accompanying drawing in the following embodiments.
Description of drawings
Read detailed description and give an example with reference to appended accompanying drawing, the present invention can obtain more comprehensively understanding.
What Fig. 1 showed is traditional frame of video wireless radio transmission schematic diagram;
Fig. 2 is the block schematic diagram according to the wireless communication system of the transmission live video stream of one embodiment of the present of invention;
Fig. 3 is according to the radio frame that is transmitted by the video source communication equipment of embodiments of the invention and an execution mode schematic diagram of frame of video; And
Fig. 4 be according to one embodiment of the present of invention can be when transmitting real time data stream the flow chart that more effectively utilizes method of radio resource.
Embodiment
Below describing content is to implement optimal mode of the present invention.This description is a purpose but not in order to limit to illustrate general plotting of the present invention.Scope of the present invention please refer to claims and determines.
Please refer to Fig. 2, Fig. 2 is the block schematic diagram according to the wireless communication system 200 of the transmission live video stream of one embodiment of the present of invention.In the present embodiment, wireless communication system 200 comprises coordinating communication equipment 202, video source communication equipment 204 and video reception communication equipment (video sink device) 206.The radio resources allocation of coordinating communication equipment 202 coordinating radio communication systems 200.Before the communication equipment of wireless communication system 200 and a communication equipment at the same level are set up the video flowing dialogue, this communication equipment must channel request to coordinating communication equipment 202.After this channel request of coordinating communication devices grant, this communication equipment then can begin to transmit the data of video flowing dialogue by channel in the visit time limit that coordinating communication equipment 202 is permitted.
Coordinating communication equipment 202 transmits default bit sequence (beacon) all communication equipments to wireless communication system 200 with fixed intervals at the radio frame section start.Coordinating communication equipment may also may not can send beacon in each radio frame.In addition, coordinating communication equipment 202 is determined the Cycle Length of radio frames and described radio frame Cycle Length is notified to all communication equipments in the wireless communication system 200.The communication equipment of wireless communication system 200 then transmits radio frame with coordinating communication equipment 202 determined these Cycle Lengths.In one embodiment, coordinating communication equipment 202 calculates described radio frame Cycle Length according to a kind of algorithm or a kind of consensus standard.Described consensus standard regulation radio frame Cycle Length.The input of described algorithm comprises one group of parameter, and this group parameter comprises communication equipment quantity in the work in radio channel properties and the wireless communication system 200.
As an example, suppose that video source communication equipment 204 wants to set up video flowing dialogue with video reception communication equipment 206.Video source communication equipment 204 receives the video flowing comprise sequence of frames of video from the video display device, and the communication channel by wireless communication system 200 then is sent to video reception communication equipment 206 with the frame of video of described video flowing.Because video flowing is (isochronous) when waiting, in case the transmission of the frame of video between video source communication equipment 204 and the video reception communication equipment 206 beginning, each frame of video must satisfy strict delay and limit, and abandons this frame of video otherwise will consider.
In order to obtain to be used to transmit the channel resource of video stream data, video source communication equipment 204 at first the transmitting channel resource request to coordinating communication equipment 202.Yet in this example, the radio frame Cycle Length of being determined by coordinating communication equipment 202 can not mate with the video frame period of video flowing, causes the transmission of video flowing comparatively complicated.In addition, the beacon time of being transmitted by coordinating communication equipment 202 can not mate with the frame of video time started of video flowing yet.The video frame period of video flowing is by the refresh rate decision of video representing device, and therefore in this case, video source communication equipment 204 can't change the cycle of frame of video.So,, propose following method and solve the problems referred to above for design and the manufacturing cost thereof of simplifying video source communication equipment 204.According to the video frame period and the time started of video flowing, video source communication equipment 204 can ask coordinating communication equipment 202 to change the cycle and the time started of radio frame.
In above-mentioned situation, video source communication equipment 204 can at first detect the cycle and the time started of the frame of video of video flowing.In one embodiment, the beginning boundary line of each frame of video is by a specific bit pattern (frame symbol initial) mark.The section start of video source communication equipment 204 thereby detection frame symbol is to determine the frame of video time started of video flowing.Video source communication equipment 204 transfers to coordinating communication equipment 202 with the video frame period and the relevant information of time started of video flowing.
After coordinating communication equipment 202 received information from video source communication equipment 204, video frame period and the difference of radio frame between the cycle were also calculated in 202 comparisons of coordinating communication equipment.If the cycle of the cycle of radio frame and frame of video does not match, 202 Cycle Lengths of adjusting radio frame of coordinating communication equipment are complementary to make radio frame Cycle Length and video frame period length.Based on the information that receives from video source communication equipment 204, coordinating communication equipment 202 obtains the Cycle Length and the time started of radio frame according to preset rules.In one embodiment, coordinating communication equipment 202 determines that the radio frame Cycle Length equals video frame period length.In another embodiment, coordinating communication equipment 202 determines that the radio frame Cycle Length equals the multiple or the mark of video frame period length.In addition, coordinating communication equipment 202 also can change the sequential that transmits subsequent beacon according to the time started of frame of video.In one embodiment, coordinating communication equipment 202 changes the sequential that transmits subsequent beacon, with the difference between the time started of the time started that makes radio frame and frame of video less than a default value.Therefore, the time started of radio frame aims at the time started of frame of video in fact.
Coordinating communication equipment 202 is broadcasted new Cycle Length and is transmitted new subsequent beacon.Video source communication equipment channel request is to coordinating communication equipment 202.202 of coordinating communication equipment in the time bar of request visit, are authorized the priority of video source communication equipment 204 visit radio channels according to the channel request allocation of channel resources may.Video source communication equipment 204 is set up the video flowing dialogue by radio channel, and the frame of video (having new Cycle Length and time started) that begins to transmit radio frame delivery according to new subsequent beacon.Because Cycle Length and video frame period that radio frame is new are complementary, the time started of radio frame then aims in fact with the time started of frame of video, and video source communication equipment 204 transmits frame of video to video reception communication equipment 206 smoothly with radio frame.Aforesaid, to compare with conventional method, the circuit design of video source communication equipment 204 can obtain simplifying.
Must notice that in certain embodiments, coordinating communication equipment 202 can be implemented in the identical device with video source communication equipment 204.In certain embodiments, coordinating communication equipment 202 also determines to change and when betides, and for example coordinating communication equipment 202 announces to change into new Cycle Length and time started after four beacons.
With reference to figure 3, Fig. 3 is according to the radio frame that is transmitted by video source communication equipment 204 of embodiments of the invention and an execution mode schematic diagram of frame of video.The frame of video of each video flowing dialogue has period T
V, and the radio frame that video source communication equipment 204 is transmitted also has the period T that equals video frame period TV
R'.Wherein, described video flowing session establishment is between video source communication equipment 204 and video reception communication equipment 206.In addition, frame of video V
1, V
2, V
3Start-of-frame S
1, S
2, S
3Has time started t
S1, t
S2, t
S3Radio frame R
1', R
2', R
3' have a time started t
B1', t
B2', t
B3', t wherein
B1', t
B2', t
B3' and corresponding frame of video V
1, V
2, V
3Time started t
S1, t
S2, t
S3Aim at.The frame of video V of video flowing
1, V
2, V
3Then by radio frame R
1', R
2', R
3' transmit radio frame R wherein smoothly
1', R
2', R
3' have Cycle Length and the time started through adjusting through adjusting, described Cycle Length and time started are determined according to the information that video source communication equipment 204 is provided.In other words, a generation simultaneously in each frame of video of video flowing dialogue and a plurality of radio frame, in this way, video source communication equipment 404 passes on frame of video, and wherein frame of video is passed on away within the boundary line of radio frame.
The foregoing description utilizes video flowing that the present invention is described as an example, yet the present invention is not limited to the frame of video transmission of video flowing.The present invention should can be applicable to any real time data flow transmission of carrying out in the cooperative type system.
With reference to figure 4, Fig. 4 is according to one embodiment of the present of invention, can more effectively utilize the flow chart of the method 400 of radio resource when transmitting real time data stream.Because being the real time data stream of now main flow, Video Applications uses, in the present embodiment, and to use video flowing as an example.Coordinating communication equipment 202 at first transmits default bit sequence (beacon) (step 402) with first fixed intervals at the section start of radio frame.Video source communication equipment 204 detects the cycle and first time started (step 404) thereof of the frame of video of video flowing dialogue.204 of video source communication equipments will be about the message transport of the cycle of one or more frame of video of video flowing dialogue and first time started to coordinating communication equipment 202.Coordinating communication equipment 202 is based on the information that receives from video source communication equipment 204, determines the cycle and second time started of second fixed intervals to transmit default bit sequence with the section start in radio frame according to certain preset rules.But this preset rules is specific radio electricity frame period and the change of time started and mode and the time that appointment changes also.Coordinating communication equipment 202 is broadcasted described second time started and second fixed intervals (step 410) by sending default bit sequence with second fixed intervals in second time started.The default bit sequence that video source communication equipment 204 transmits according to coordinating communication equipment 202, the frame of video that radio frame is delivered transfers to video reception communication equipment 204 (step 412).Finally, the frame of video (step 414) of video reception communication equipment 206 display of video streams dialogue.
Above-mentioned preferred embodiment only is used for exemplifying embodiments of the present invention, is not to be used for limiting protection scope of the present invention.On the contrary, foregoing is intended to contain multiple change or similar configuration (as apparent to any those skilled in the art).Therefore, appended claim should be got it and understood the most widely and be as the criterion, to comprise multiple change of the present invention or similar configuration.
Claims (22)
1. wireless communication system comprises:
Coordinating communication equipment transmits default bit sequence with first fixed intervals in the section start of radio frame; And
Sources traffic equipment, the frame of receiving data stream dialogue detects the cycle and first time started of a frame;
Wherein, described sources traffic equipment will be about the message transport of the cycle of one or more described frames and first time started to described coordinating communication equipment;
Wherein, described coordinating communication equipment is based on the information that receives from described sources traffic equipment, determines that according to preset rules the cycle of second fixed intervals and second time started are to transmit described default bit sequence;
Wherein, described coordinating communication equipment transmits described default bit sequence with described second fixed intervals in second time started of described radio frame, and described sources traffic equipment passes on described frame to received communication equipment.
2. wireless communication system according to claim 1 is characterized in that, according to described preset rules, described coordinating communication equipment determines that the cycle of described second fixed intervals equals the cycle of described frame.
3. wireless communication system according to claim 1 is characterized in that, according to described preset rules, described coordinating communication equipment determines that the cycle of described second fixed intervals equals the multiple in the cycle of described frame.
4. wireless communication system according to claim 1 is characterized in that, according to described preset rules, described coordinating communication equipment determines that the cycle of described second fixed intervals equals the mark in the cycle of described frame.
5. wireless communication system according to claim 1, it is characterized in that, described sources traffic equipment passes on described frame to described received communication equipment in the boundary line of described radio frame, described radio frame has the cycle and described second time started of described second fixed intervals.
6. wireless communication system according to claim 1, it is characterized in that, one in each frame of described data flow dialogue and the described radio frame takes place simultaneously, mode by this, described sources traffic equipment passes on described frame, and wherein said radio frame has the cycle and described second time started of described second fixed intervals.
7. wireless communication system according to claim 1 is characterized in that, described coordinating communication equipment determines to change into the sequential of the cycle and described second time started of described second fixed intervals.
8. wireless communication system according to claim 1 is characterized in that, the frame of described data flow dialogue is a frame of video.
9. wireless communication system according to claim 1 is characterized in that, the difference between described first time started and described second time started is less than default value.
10. a radio resource effectively utilizes method, wherein, wireless communication system comprises coordinating communication equipment, sources traffic equipment and received communication equipment, the frame of described sources traffic equipment receiving data stream dialogue, the frame of described data flow dialogue will be transferred to described received communication equipment, comprise:
Transmit default bit sequence with first fixed intervals in the section start of radio frame by described coordinating communication equipment;
By described coordinating communication equipment, based on the information that receives from described sources traffic equipment, determine the cycle and second time started of second fixed intervals according to preset rules, transmit described default bit sequence with the section start in radio frame, wherein said information comprises the cycle and first time started of one or more frames of described data flow dialogue; And
Transmit described default bit sequence with described second fixed intervals in second time started of each frame by described coordinating communication equipment.
11. method according to claim 10, it is characterized in that, described sources traffic equipment passes on described frame to described received communication equipment in the boundary line of described radio frame, described radio frame has the cycle and described second time started of described second fixed intervals.
12. method according to claim 10 is characterized in that, determines that the cycle of described second fixed intervals of described frame comprises: determine that the cycle of described second fixed intervals equals the cycle of each described frame.
13. method according to claim 10 is characterized in that, determines that the cycle of described second fixed intervals of described frame comprises: determine that the cycle of described second fixed intervals equals the multiple in the cycle of each described frame.
14. method according to claim 10 is characterized in that, determine that the cycle of described second fixed intervals of described frame comprises: described coordinating communication equipment determines that the cycle of described second fixed intervals equals the mark in the cycle of each described frame.
15. method according to claim 10 is characterized in that, described coordinating communication equipment determines to change into the sequential of the cycle and described second time started of described second fixed intervals.
16. method according to claim 10 is characterized in that, the frame of described data flow dialogue is a frame of video.
17. method according to claim 10 is characterized in that, the difference between described first and second time started is less than default value.
18. a radio resource effectively utilize method, wherein, wireless communication system comprises coordinating communication equipment, sources traffic equipment and received communication equipment, and described coordinating communication equipment transmits default bit sequence with first fixed intervals in the section start of each radio frame, and described method comprises:
Frame by the dialogue of described sources traffic equipment receiving data stream;
By the cycle and first time started of the described frame of described sources traffic Equipment Inspection;
By described sources traffic equipment with about the message transport of cycle of one or more frames of described data flow dialogue and first time started described coordinating communication equipment extremely; And
For the section start in radio frame transmits described default bit sequence, described coordinating communication equipment is based on the information that receives from described sources traffic equipment, determine the cycle and second time started of second fixed intervals according to preset rules, and described coordinating communication equipment transmits described default bit sequence with described second fixed intervals in described second time started of radio frame, after this, according to described radio frame, pass on described frame to described received communication equipment by described sources traffic equipment with cycle and second time started of described second fixed intervals.
19. method according to claim 18, it is characterized in that, the described frame that passes on comprises: in the boundary line of one of described radio frame of cycle with described second fixed intervals and described second time started, pass on each frame of described data flow dialogue to described received communication equipment by described sources traffic equipment.
20. method according to claim 18 is characterized in that, according to described preset rules, described coordinating communication equipment determines that the cycle of described second fixed intervals equals the cycle of each described frame.
21. method according to claim 18 is characterized in that, according to described preset rules, described coordinating communication equipment determines that the cycle of described second fixed intervals equals the multiple in the cycle of each described frame.
22. method according to claim 18 is characterized in that, the frame of described data flow dialogue is a frame of video.
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US14418909P | 2009-01-13 | 2009-01-13 | |
| US61/144,189 | 2009-01-13 | ||
| US12/685,088 | 2010-01-11 | ||
| US12/685,088 US8204038B2 (en) | 2009-01-13 | 2010-01-11 | Method for efficient utilization of radio resources in wireless communications system |
| PCT/CN2010/070131 WO2010081407A1 (en) | 2009-01-13 | 2010-01-12 | Method for efficient utilization of radio resources in wireless communications system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102187722A true CN102187722A (en) | 2011-09-14 |
| CN102187722B CN102187722B (en) | 2014-01-01 |
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| CN201080000767.4A Active CN102187722B (en) | 2009-01-13 | 2010-01-12 | Method for efficient utilization of radio resources in wireless communications system |
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| US (1) | US8204038B2 (en) |
| EP (1) | EP2207397B1 (en) |
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| CN (1) | CN102187722B (en) |
| TW (1) | TWI422258B (en) |
| WO (1) | WO2010081407A1 (en) |
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| JP6051658B2 (en) * | 2012-07-30 | 2016-12-27 | 株式会社リコー | Wireless communication apparatus, wireless communication method and program |
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| JP2012514917A (en) | 2012-06-28 |
| EP2207397A2 (en) | 2010-07-14 |
| EP2207397B1 (en) | 2018-06-20 |
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| CN102187722B (en) | 2014-01-01 |
| US8204038B2 (en) | 2012-06-19 |
| WO2010081407A1 (en) | 2010-07-22 |
| EP2207397A3 (en) | 2011-12-28 |
| US20100177724A1 (en) | 2010-07-15 |
| JP5303768B2 (en) | 2013-10-02 |
| TWI422258B (en) | 2014-01-01 |
| KR20110079842A (en) | 2011-07-08 |
| TW201112830A (en) | 2011-04-01 |
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